<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>CSS样式</title>
		<style>
			#tyu{
				color: red;
				font-size: 50px;
			}
			.nuc{
				color: blue;
				font-size: 50px;
			}
		</style>
	</head>
	<body>
		<div id="tyu">太原学院</div>
		<div class="nuc">中北大学</div>
		<div class="nuc">山西工学院</div>
	</body>
</html>
